Using NCC1CCCCC1, CC(C)(C)OC(=O)N1CCC(C(=O)O)(c2cc(C(F)(F)F)cc(C(F)(F)F)c2)CC1 to produce O=C(NCC1CCCCC1)C1(c2cc(C(F)(F)F)cc(C(F)(F)F)c2)CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.