Using CC(=O)N1c2ccccc2SC1c1ccccc1OCCCC(=O)O, C1COCCN1 to produce CC(=O)N1c2ccccc2SC1c1ccccc1OCCCC(=O)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.