Using CC(C)(C)OC(=O)NC1CCN(C[C@@H]2CCCN3CCCC[C@H]23)CC1 to produce NC1CCN(C[C@@H]2CCCN3CCCC[C@H]23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.