Using CNC(=O)c1csc(N2CCN(C(=O)OC(C)(C)C)CC2COc2cccnc2)n1 to produce CNC(=O)c1csc(N2CCNCC2COc2cccnc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.