Using C=CCn1c(C(=O)OC)c2c(c(O)c1=O)C(=O)N(Cc1ccc(F)c(Cl)c1)CC2, O=C([O-])[O-] to produce C=CCn1c(C(=O)OC)c2c(c(OC)c1=O)C(=O)N(Cc1ccc(F)c(Cl)c1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.