Using O=P([O-])([O-])[O-], O=Cc1c(Cl)nc(-c2ccccc2)c2ccccc12 to produce O=C(O)c1c(Cl)nc(-c2ccccc2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.