Using COc1ccc2c(OCCn3cc(Br)ccc3=O)ccnc2c1, NC(=O)c1ccccc1 to produce COc1ccc2c(OCCn3cc(NC(=O)c4ccccc4)ccc3=O)ccnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.