Using CC(C)(C)OC(=O)N1CCC(COCc2cc(C(F)(F)F)cc3cc[nH]c23)(c2ccccc2)CC1 to produce CN1CCC(COCc2cc(C(F)(F)F)cc3cc[nH]c23)(c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.