Using O=C(n1ccnc1)n1ccnc1, CC1(C)CC(=O)c2c(CCC(=O)O)c[nH]c2C1 to produce CN(C)C(=O)CCc1c[nH]c2c1C(=O)CC(C)(C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.