Using C=CC(N)=O, Cc1cc(Br)c2nc(-c3ccc(C4(NC(=O)OC(C)(C)C)CCC4)cc3)c(-c3ccccc3)n2c1 to produce Cc1cc(/C=C/C(N)=O)c2nc(-c3ccc(C4(NC(=O)OC(C)(C)C)CCC4)cc3)c(-c3ccccc3)n2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.