Using O=C(Cl)c1ccccc1, O=C(O)c1cn2c3c(c(N4CCNCC4)ccc3c1=O)CCC2 to produce O=C(O)c1cn2c3c(c(N4CCN(C(=O)c5ccccc5)CC4)ccc3c1=O)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.