Using Nc1cccc(Nc2ccc3c(c2)CC(=O)N3)c1, CN1CCN(Cc2ccc(C(=O)O)cc2)CC1 to produce CN1CCN(Cc2ccc(C(=O)Nc3cccc(Nc4ccc5c(c4)CC(=O)N5)c3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.