Using COc1cc(C(=O)Nc2nc3c(OC)ccc(C4CCN(C(=O)OC(C)(C)C)CC4)c3s2)ccn1 to produce COc1cc(C(=O)Nc2nc3c(OC)ccc(C4CCNCC4)c3s2)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.