Using CCCn1c(C)c(-c2ccncc2)c2cc(OC(C)(C)C(=O)O)ccc21, CN to produce CCCn1c(C)c(-c2ccncc2)c2cc(OC(C)(C)C(=O)NC)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.