Using CC(C)(C)OC(=O)CN, CCCCCCCOc1ccc(Cc2nc3cc(C=O)ccc3[nH]2)cc1 to produce CCCCCCCOc1ccc(Cc2nc3cc(CNCC(=O)OC(C)(C)C)ccc3[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.