Using CC(C)Oc1ccc(-c2noc(-c3cccc4c3CCNC4)n2)cc1Cl, CC(C)(C)OC(=O)CBr to produce CC(C)Oc1ccc(-c2noc(-c3cccc4c3CCN(CC(=O)OC(C)(C)C)C4)n2)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.