Using O=C(N[C@H]1CCS[C@H]2CC[C@H](C(F)(F)F)CN2C1=O)OCc1ccccc1 to produce N[C@H]1CCS[C@H]2CC[C@H](C(F)(F)F)CN2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.