Using O=C(Nc1nc(-c2ccco2)c(N2CCOCC2)s1)C1CCN(c2cc(Cl)ncn2)CC1 to produce O=C(Nc1nc(-c2ccco2)c(N2CCOCC2)s1)C1CCN(c2ccncn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.