Using CCOC(=O)c1csc2c1C1CN(C(=O)OC(C)(C)C)CC1CC2 to produce CC(C)(C)OC(=O)N1CC2CCc3scc(CO)c3C2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.