Using CC(C)(C)OC(=O)N(CCC#N)CC(=O)O, NCCc1ccc2c(c1)OCO2 to produce CC(C)(C)OC(=O)N(CCC#N)CC(=O)NCCc1ccc2c(c1)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.