Using CC(C)(C)OC(=O)N1CCN(Cc2ccc(-n3ccnc3)cc2)C(=O)C1 to produce O=C1CNCCN1Cc1ccc(-n2ccnc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.