Using CCCCCCCCCCCCCCCCCC(=O)c1c[nH]c2ccc(C(=O)OC)cc12 to produce CCCCCCCCCCCCCCCCCCC1CNc2ccc(C(=O)OC)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.