Using COc1c(C)c(Cc2ccc(OCc3ccccc3)c(C=O)c2)c(OC)c(OC)c1OC, O=P([O-])(O)O to produce COc1c(C)c(Cc2ccc(OCc3ccccc3)c(C(=O)O)c2)c(OC)c(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.