Using CC1Cc2nnc(-c3cccc(C(F)(F)F)c3)cc2C(O)C1, C[C@H](NC(=O)OC(C)(C)C)C(=O)O to produce CC1Cc2nnc(-c3cccc(C(F)(F)F)c3)cc2C(OC(=O)[C@H](C)NC(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.