Using O=Cc1ccccc1, N#Cc1ccc(CCC(=O)N2CCCc3cc(N)ccc32)cc1 to produce N#Cc1ccc(CCC(=O)N2CCCc3cc(NCc4ccccc4)ccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.