Using COc1cc(N2CCN(C(=O)Cn3c(=O)[nH]c4ccccc43)CC2)ccc1Cl, O=C([O-])[O-] to produce COc1cc(N2CCN(C(=O)Cn3c(=O)n(C)c4ccccc43)CC2)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.