Using Cc1cccc2nc(CSc3nc(-c4ccccc4)n[nH]3)nn12, O=C([O-])[O-] to produce Cc1cccc2nc(CSc3nc(-c4ccccc4)nn3C)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.