Using Cc1cccc2c(=O)[nH]c(-c3ccc(C(=O)N(C)CC4CCN(C(=O)OC(C)(C)C)CC4)cc3)cc12 to produce Cc1cccc2c(=O)[nH]c(-c3ccc(C(=O)N(C)CC4CCNCC4)cc3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.