Using CCOC(=O)C1CCCCCCC1=O, COC(=O)c1ccnc(N)c1 to produce COC(=O)c1ccn2c(=O)c3c(nc2c1)CCCCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.