Using CCCCOc1c(CCl)n(CC(C)(C)C)c(=O)c2ccc(F)cc12, O=C1NC(=O)c2ccccc21 to produce CCCCOc1c(CN2C(=O)c3ccccc3C2=O)n(CC(C)(C)C)c(=O)c2ccc(F)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.