Using O=C(Nc1nc(-c2ccco2)c(N2CCOCC2)s1)C1CCN(C(=O)OCc2ccccc2)CC1 to produce O=C(Nc1nc(-c2ccco2)c(N2CCOCC2)s1)C1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.