Using CCO, Cc1ccc(N(CCc2ccc(C)nc2)N=C2CCN(C)CC2)cc1 to produce Cc1ccc2c(c1)c1c(n2CCc2ccc(C)nc2)CCN(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.