Using CCN=C=NCCCN(C)C, CC(C)(C)OC(=O)N1CCC(N(CC(=O)O)Cc2ccc(Cl)cc2)C1 to produce CCNC(=O)CN(Cc1ccc(Cl)cc1)C1CCN(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.