Using Cc1ccc2c(c1)c1c(n2CCN)CCN(C)C1, CC(C)(C)OC(=O)N1CCC(C(=O)O)CC1 to produce Cc1ccc2c(c1)c1c(n2CCNC(=O)C2CCN(C(=O)OC(C)(C)C)CC2)CCN(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.