Using O=C(O)[C@H]1CCCO1, COc1cc2ncnc(Nc3ccc(OC4CCNCC4)c(C)c3)c2cc1OC to produce COc1cc2ncnc(Nc3ccc(OC4CCN(C(=O)C5CCCO5)CC4)c(C)c3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.