Using O=C(Cl)OCc1ccccc1, CC(C)(C)OC(=O)N1CCN(c2c(F)cc(N)cc2F)CC1 to produce CC(C)(C)OC(=O)N1CCN(c2c(F)cc(NC(=O)OCc3ccccc3)cc2F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.