Using C=CCCNC(=O)OC(C)(C)C, O=C(C=P(c1ccccc1)(c1ccccc1)c1ccccc1)CCl to produce C=CCCN(CC(=O)C=P(c1ccccc1)(c1ccccc1)c1ccccc1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.