Using O=C1NC(=O)c2ccccc21, COc1cc(Br)c(CCl)cc1OC to produce COc1cc(Br)c(CN2C(=O)c3ccccc3C2=O)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.