Using CC(C)(C)OC(=O)N1CCC(c2nc(C3=CCOCC3)cn2CCN2CCCC2)CC1 to produce CC(C)(C)OC(=O)N1CCC(c2nc(C3CCOCC3)cn2CCN2CCCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.