Using Nc1ncccc1C=O, CCOC(=O)C(C)N(CCCC(C)=O)C(=O)OC(C)(C)C to produce CCOC(=O)C(C)N(CCCc1ccc2cccnc2n1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.