Using O=C(n1ccnc1)n1ccnc1, CC(C)(C)OC(=O)C1CC2(CN)CCC1(C(=O)O)CC2 to produce CC(C)(C)OC(=O)C1CC2(CN)CCC1(C(N)=O)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.