Using c1ccc2c(c1)nnn2O[P+](N1CCCC1)(N1CCCC1)N1CCCC1, Cn1cc(C(=O)O)c(Nc2ccc(Cl)c(Cl)c2)cc1=O to produce Cn1cc(C(N)=O)c(Nc2ccc(Cl)c(Cl)c2)cc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.