Using Cc1cc(OCCN(C)C(=O)OC(C)(C)C)ccc1NC(=O)c1ccc(N2CCN(C(=O)OC(C)(C)C)CC2)cc1 to produce CNCCOc1ccc(NC(=O)c2ccc(N3CCNCC3)cc2)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.