Using COC(=O)c1ccc(NC(=O)c2ccc3cccnc3c2)cc1Cl to produce COC(=O)c1ccc(NC(=O)c2ccc3c(c2)NCCC3)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.