Using CN(CC(=O)O)C(=O)OC(C)(C)C, Cc1cc2c(c3ccc(=O)[nH]c13)OC(CN)C2 to produce Cc1cc2c(c3ccc(=O)[nH]c13)OC(CNC(=O)CN(C)C(=O)OC(C)(C)C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.