Using Nc1ccc2c(=O)[nH]c3ncccc3c2c1, COC(=O)c1ccc(CBr)cc1 to produce COC(=O)c1ccc(CNc2ccc3c(=O)[nH]c4ncccc4c3c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.