Using CC(=O)CC(=O)O, COc1cc2c(=O)[nH]cnc2cc1OCC(O)CN1CCCC1 to produce COc1cc2c(=O)[nH]cnc2cc1OCC(CN1CCCC1)OC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.