Using CC(=O)c1c(O)c2cc3c(cc2[nH]c1=O)CCCC3, NN to produce Cc1[nH]nc2c1c(=O)[nH]c1cc3c(cc12)CCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.