Using Cc1cccc(-c2nn3ccccc3c2-c2ccnc3cc(Br)ccc23)n1, C=CC(=O)OC to produce COC(=O)C=Cc1ccc2c(-c3c(-c4cccc(C)n4)nn4ccccc34)ccnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.