Using COc1ccc(CN)cc1, O=Cc1cc2cc(Br)c(F)cc2nc1Cl to produce COc1ccc(CNc2nc3cc(F)c(Br)cc3cc2C=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.