Using CC(C)(C)OC(=O)N1CCCNC(=O)C1Cc1ccc(OC(F)(F)F)cc1 to produce O=C1NCCCNC1Cc1ccc(OC(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.