Using CC(C)(C)OC(=O)NC1CCN(C(=O)c2ccc(-n3ccnc3)cc2)CC1 to produce NC1CCN(C(=O)c2ccc(-n3ccnc3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.