Using O=C(CCl)N1CCc2cc(OC3CCC(C(F)(F)F)CC3)ccc21, CCOC(=O)CCN to produce CCOC(=O)CCNCC(=O)N1CCc2cc(OC3CCC(C(F)(F)F)CC3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.