Using CC(N)C(=O)OC(C)(C)C, CCCN(CC1CC1)c1cc(C(=O)Nc2ccc(C=O)cc2C)ncn1 to produce CCCN(CC1CC1)c1cc(C(=O)Nc2ccc(CNC(C)C(=O)OC(C)(C)C)cc2C)ncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.