Using O=C1CCCCC1, CC(C)(C)OC(=O)N1CCN(CCc2ccccn2)CC1 to produce CC(C)(C)OC(=O)N1CCN(CC(c2ccccn2)C2(O)CCCCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.