Using COC(=O)c1cccc2sc(-c3ccnc(NCCCN4CCN(C(=O)OC(C)(C)C)CC4)n3)cc12 to produce CC(C)(C)OC(=O)N1CCN(CCCNc2nccc(-c3cc4c(C(=O)O)cccc4s3)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.