Using CCOC(=O)CCCc1c[nH]c2ccccc12, c1c[nH]cn1 to produce CCOC(=O)CCCc1c(-n2ccnc2)[nH]c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.