Using CCOC(=O)c1sc2c(c1O)CCN(C(=O)OCC)CC2, C1CCOC1 to produce CCOC(=O)c1sc2c(c1OC)CCN(C(=O)OCC)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.