Using CCCCN1CCN(CCNC(=O)c2n[nH]c3ccccc23)CC1, OC1CCCC1 to produce CCCCN1CCN(CCNC(=O)c2nn(C3CCCC3)c3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.