Using O=C1c2ccccc2C(=O)N1CC1(F)CCN(Cc2cc(Cl)cc(Cl)c2O)CC1 to produce NCC1(F)CCN(Cc2cc(Cl)cc(Cl)c2O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.