Using O, CC(C)(C)OC(=O)N1CCn2c(c(C(=O)C(F)(F)F)c3ccccc32)C1 to produce CC(C)(C)OC(=O)N1CCn2c(c(C(=O)O)c3ccccc32)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.