Using Nc1c(Br)cc(C(=CC(=O)O)c2ccccc2)cc1Br, C1COCCN1 to produce Nc1c(Br)cc(C(=CC(=O)N2CCOCC2)c2ccccc2)cc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.