Using C[O-], CC(C)(C)OC(=O)N1CCC(Oc2c(F)cc3c(=O)c(C(=O)O)cn(C4CC4)c3c2F)C1 to produce COc1c(OC2CCN(C(=O)OC(C)(C)C)C2)c(F)cc2c(=O)c(C(=O)O)cn(C3CC3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.