Using COC(=O)CCCCN, COc1ccc2sc(C(=O)O)c(OC(C)C)c2c1 to produce COC(=O)CCCCNC(=O)c1sc2ccc(OC)cc2c1OC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.