Using O=C=Nc1cccc(Cl)c1, NCc1cccc2c1CN(C1CCC(=O)NC1=O)C2=O to produce O=C1CCC(N2Cc3c(CNC(=O)Nc4cccc(Cl)c4)cccc3C2=O)C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.