Using O=C(CNCCCNC(=O)c1[nH]c(-c2ccccc2)c2cc(Cl)ccc12)OCc1ccccc1 to produce CNCCCNC(=O)c1[nH]c(-c2ccccc2)c2cc(Cl)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.