Using CC(=O)C1CCN(C(=O)OC(C)(C)C)CC1, Nc1ncccc1C=O to produce CC(C)(C)OC(=O)N1CCC(c2ccc3cccnc3n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.