Using CCOP([O-])OCC, CCOC(=O)c1cc2c(cn1)[nH]c1ccc(I)cc12 to produce CCOC(=O)c1cc2c(cn1)[nH]c1ccc(P(=O)(OCC)OCC)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.