Using C=Cc1sc(NC(=O)OC(C)(C)C)nc1C(=O)OCP(=O)(OCC)OCC to produce CCOP(=O)(COC(=O)c1nc(NC(=O)OC(C)(C)C)sc1CC)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.