Using O=Cc1ccc(C(=O)O)s1, CC(=O)Nc1nc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cs1 to produce CC(=O)Nc1nc(C=Cc2ccc(C(=O)O)s2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.